Author: Cobban W.A.,
Title: Tarrantoceras Stephenson and related ammonoid genera from Cenomanian (Upper Cretaceous) rocks in Texas and the Western Interior of the United States
Description: 1988. In folio, broch., pp. 51 with 10 pls. with facing captions, and 10 figs. Geological Survey Professional Paper 1473.

Keywords: shells fossil ammonites paleontology geology


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